Art Cashin says it's been a somewhat "bizarre" week on Wall Street that should heat up tomorrow.
Cashin, UBS' director of floor operations at the NYSE, told CNBC's Bob Pisani around midday that Fed chairman nominee Janet Yellen's confirmation hearing tomorrow will reveal "how they'll approach" her and how she responds.
"There will be some pointed questions. The thing the Fed has to watch out for is a lot of people are trying to pin them and QE for helping to exacerbate the so-called inequality that we see in America. If they let that build, they will become a political issue next year in an election year."